Unrestricted File Upload Vulnerability in Xuhuisheng Lemon by Xuhuisheng
CVE-2025-9406

5.3MEDIUM

Key Information:

Vendor

Xuhuisheng

Status
Lemon
Vendor
CVE Published:
25 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9406?

A vulnerability exists in Xuhuisheng Lemon, particularly in version 1.13.0, affecting the uploadImage function within CmsArticleController.java. This issue allows for unrestricted file uploads through manipulation of the upload argument, which can be exploited remotely. Publicly available exploits enable attackers to leverage this weakness, posing a significant risk to systems utilizing this version.

Affected Version(s)

lemon 1.0

lemon 1.1

lemon 1.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-9406 - Proof of Concept

References

https://vuldb.com/?id.321242
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321242
signaturepermissions-required
https://vuldb.com/?submit.633593
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

mcc666 (VulDB User)
.
CVE-2025-9406 : Unrestricted File Upload Vulnerability in Xuhuisheng Lemon by Xuhuisheng